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Author Topic: Anyone have a manual for a Rapco 1804 L25C GPSDO ?  (Read 680 times)

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Offline bingo600Topic starter

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Anyone have a manual for a Rapco 1804 L25C GPSDO ?
« on: March 21, 2023, 02:53:57 pm »
I just got a Rapco 1804L25C GPSDO  :-+
3 x 10MHz Sine
1 x 10MHz Square (TTL)
1 x 1-PPS (TTL)

Came w. a Trimble Bullet antenna (40dB) , and has never been setup.


Does anyone have a manual for this guy ?
I found one mentioning 1804L25 as one  of the certificates , but it's a 5MHz unit , and doesn't mention the "Output valid" LED.


I took some pics of the inside.

Trimble SK2-8 GPS
Morion MV62 OCXO
AD7846 16-bit DAC
HD64180 MCU
EPM7128 CPLD


« Last Edit: March 21, 2023, 03:38:05 pm by bingo600 »
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Offline bingo600Topic starter

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Re: Anyone have a manual for a Rapco 1804L25C GPSDO ?
« Reply #1 on: March 21, 2023, 02:57:30 pm »
More pics
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Offline bingo600Topic starter

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Re: Anyone have a manual for a Rapco 1804L25C GPSDO ?
« Reply #2 on: March 21, 2023, 02:59:23 pm »
More pics
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